| abstract |
R 3 Wasserstoff oder einen von Carboxyl verschiedenen Substituenten darstellt, und R 4-9 verschiedenartige Bedeutungen haben. There are new substituted β-carbolines of the general formula described in what R 3 represents hydrogen or a substituent other than carboxyl, and R 4-9 have different meanings. n n n The new β-carbolines are valuable pharmaceuticals with a longer-lasting effect on the central nervous system. |